2022 gsa final drive oil

[leafman60]

Then it should be free. There’s a law pertaining to that dealer’s claim of could void warranty. The law is there to keep manufacturers from stating they’ll void a warranty solution because, for instance, you must purchase their specific branded air to fill your tires or their $51 for 500ml final drive oil when other comparable viscosity is available from source at 1/5 the cost. Your dealer up to date on laws and regulations?

They know all about Magnuson–Moss but they say most riders aren't going to go court over it

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[leafman60]

Exactly why I paid the price for a quart to use while my bike was in warranty. Dealer has never seen my bike and never will. I only fussed over the gear oil because I did not know if the FD failures still plagued BMW and wanted no wiggle room from the dealer if so.

Well I did do a software update for 50 bucks about 6 months ago.

Yep
It's not that big a deal to me.

 

[leafman60]

BMW cars - at least here in Canada - come with included standard oil change/service for the warranty period.



I'm much of the same thought process. I have been using BMW branded oil for my F850GSA while it was under warranty (and may continue to do so now) just to ensure that I had no issues. I was not so much thinking of the warranty itself, but of ensuring the products used met the requirements for the bike to ensure longevity of the mechanical components. I have not had success finding a suitable oil that meets the specs at a price any better than the BMW stuff.

As for final drives, my GSA is a chain so not a problem, but my new RT will be a shaft as is my current GT. The issue in the past with FD failures was never an issue of the oil since the large bearing that was the source of failure is not lubricated by the oil being outside the main seal. It does seem that the reports of failures has dropped off from a few years back so one might conclude BMW has possibly sourced better quality or better spec bearings to fix that issue. With that in mind, I don't think using an oil different from the reccomended product is an issue at all so long as it meets the required specs.

Yep

 

[leafman60]

By the way, I just bought the BMW extended warranty to add 4 years to stock coverage.

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[pglaves]

The issue in the past with FD failures was never an issue of the oil since the large bearing that was the source of failure is not lubricated by the oil being outside the main seal.

Au contrair! That depends on the year and model. 1100 and 1150 models had the roller bearing and deep groove ball bearing, and the pinion bearings lubricated with the gear oil. And in fact the use of out-of-spec 80w140 gear oil did contribute to final drive failures. The BMW tried the lubed for life unvented nonsense, and then did a greased bearing for a while.